One of the unwavering rules that writers live by is, “write what you know.”
Why?
Simply because it’s more enjoyable, easier, and faster to write on a topic that you already know about. For example, if you want to write an instruction sheet on how to make a soy candle, but you have no idea how to make one, then it will be that much harder to write about it. But, if you love making soy candles and you do it all the time, it will be incredibly easy for you to write because you’re experienced and passionate about your topic.
Don’t make it harder than it has to be. Choose a topic that you’re already experienced in, interested in, and excited about; otherwise you may never actually finish your information product.

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